On Sunday, March 10, 2002, at 12:00 PM, Richard Gaskin wrote: > A lot of software packages scan the local network to see if other > copies of > the software may be running with the same serial number. > > I've thought of many ways to accomplish this, but all of them seem > slow and > inefficient.
Here is an idea. Invert the idea of scanning. Each copy UDP Broadcasts its serial number at startup and every minute or so to a obscure port of your choosing, eg. 255.255.255.255:47011. Each copy also listens on that port. If a serial number comes in from a different computer that matches that of the listening copy, there's a serial number clash. (I have no idea whether this can be done in Revolution; I'm new to Revolution.) (If you need to know at the start of execution, add a poll code to the datagram.) > How is this done? Well. I've done quite a bit of TCP/IP programming, but have never done this, so take this with a grain of salt. Folks who have solved the problem may have tried and rejected this idea long ago. Dar Scott _______________________________________________ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
